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17-yuyu0830 #65
17-yuyu0830 #65
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๊ฑด๋ฌผ์ด ์๋ฃ๋๋ ์๊ฐ์ ์ฒดํฌํด์ผ ํ ํ์๊ฐ ์๋ค๋ฉด ๋ฐ๋ก ์๊ฐ์ ์ฒดํฌํ๋ ๋ณ์ํ๋๋ฅผ ์ ์ธํ์ฌ ์ฐ์ ์์ ํ๋ฅผ ํตํด ๋ฎ์ ์์
์๊ฐ์ ๊ฐ์ง ์๊ฐ์ผ๋ก ๊ฐฑ์ ์์ผ์ฃผ๋ ๋ฐฉ์๋ ๊ด์ฐฎ์ ๋ณด์
๋๋ค!
๊ทธ๋ ๊ฒ ๋๋ฉด ๊ฐ ์ ์๋ ๊ฒฝ๋ก์ ์๊ฐ์ ๋ํด์ฃผ๋ ์์ด ์ถ๊ฐ๋๊ฒ ์ง๋ง ์ ์ฒด์ ์ผ๋ก ๋ดค์ ๋ ๋ ๊ฐ๊ฒฐํด์ง ์ ์์ง ์์๊น์?
ํ๊ธด ๋งค๋ฒ ํ์ ์๋ ๊ฐ์ ์ค์ ์ต์ ๊ฐ์ ํ์ํ๋๊ฒ ์๊ฐ์ด ๊ฝค ๊ฑธ๋ฆฌ๋ ์์ ์ด๋ผ๊ณ ์๊ฐ์ ํ๋๋ฐ ์ฐ์ ์์ ํ ๋ฑ์ ์ด์ฉํด์ ์ข ๋ ๋น ๋ฅด๊ฒ ์ ๊ทผํ ์ ์๋ ๋ฐฉ๋ฒ์ด ์๊ฒ ๊ตฐ์..? |
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์ง์ ์ฐจ์๊ฐ 0์ธ ๋ ธ๋๋ฅผ ํ์ ๋ฃ๊ณ ๋ค์ ํ์์ ๋๊ฐ๋ ์์๊ฐ ์์์ ๋ ฌ์ ๊ฒฐ๊ณผ๊ฐ ๋๋๊ฑด๊ฐ์? ์ง์ ์ฐจ์๊ฐ 0์ธ ๋ ธ๋๊ฐ ๋ค์ ์กด์ฌํ๊ฒ ๋ ๋ ์์์ ๋ ฌ์ ์์๊ฐ ๋๋ค์ด ๋๋๊ฑด์ง๋ ๊ถ๊ธํ๋ค์.
๋ง์ต๋๋ค. ์์์ ๋ ฌ์ ์ฐจ์๊ฐ 0์ธ ๋
ธ๋ ์ค ๋ญ ๋จผ์ ์ ํํ๋๋์ ๋ฐ๋ผ์ ์์๊ฐ ๋ฌ๋ผ์ง ์ ์์ต๋๋ค. ์์ธํ๊ฑด ๋ธ๋ก๊ทธ์ ์ ๋ฆฌํด๋จ์ผ๋ ์ฐธ๊ณ ํ์๋ฉด ์ข์ ๊ฒ ๊ฐ๋ค์ |
๐ ๋ฌธ์ ๋งํฌ
ACM Craft(1005)
โ๏ธ ์์๋ ์๊ฐ
1์ผ..? ์ค๊ฐ์ ํ๋ฒ ๊ด๋๋ค ๋ค์ ํ์์ด๋ค
โจ ์๋ ์ฝ๋
โ ๋ฌธ์
ํ ์คํธ ์ผ์ด์ค๊ฐ T๊ฐ ์ฃผ์ด์ง๋ค. ๊ฐ ํ ์คํธ ์ผ์ด์ค์์ ๊ฑด๋ฌผ n๊ฐ์ ๊ฐ ๊ฑด๋ฌผ์ ์ง๋๋ฐ ๊ฑธ๋ฆฌ๋ ์๊ฐ D1 ~ Dn, ๊ฑด๋ฌผ ๋ผ๋ฆฌ์ ๊ด๊ณ k๊ฐ๊ฐ ์ฃผ์ด์ง ๋, ๊ทธ ์ค w๋ฒ์งธ ๊ฑด๋ฌผ์ ์ง๋๋ฐ ๊ฑธ๋ฆฌ๋ ์ต๋จ ์๊ฐ์ ์ถ๋ ฅํ์.
๊ฐ ๊ฑด๋ฌผ์ ์ ํ ์กฐ๊ฑด์ด ์ฃผ์ด์ง๋๋ฐ, ์ ํ ์กฐ๊ฑด์ผ๋ก ์ฃผ์ด์ง ๊ฑด๋ฌผ์ ๋ชจ๋ ๊ฑด์คํ ๊ฒฝ์ฐ์ ํด๋น ๊ฑด๋ฌผ์ ์ง๊ธฐ ์์ํ ์ ์๋ค.
โ ํ์ด
์ฐ์ ์์์ ๋ ฌ ์๊ณ ๋ฆฌ์ฆ์ ์์๋ณด์.์์์ ๋ ฌ ์ ๋ฆฌ
์์ ์ ๋ ฌ์ ๋ฐฉํฅ์ด ์๊ณ ์ฌ์ดํด์ด ๋ฐ๋ณตํ์ง ์๋ DAG(Directed Acycle Graph) ์ ์ ๋ ฌํ ๋ ์ฌ์ฉํ ์ ์๋ค. ์ ๋ ฌ์ด๊ธฐ ๋๋ฌธ์ ์์ ์ง์ ์ด ์์ด์ผํ๊ณ , ์ฌ์ดํด์ด ์๋ ๊ฒฝ์ฐ์๋ ์์ ์ง์ ์ ํน์ ํ ์ ์๊ธฐ ๋๋ฌธ์ ์ฌ์ดํด์ด ์๋ ๊ฒฝ์ฐ์ ๋ํด ์ฌ์ฉํ ์ ์๋ค.
ํ์ ์คํ์ ์ด์ฉํ ํ์ด๊ฐ ๊ฐ๋ฅํ๋ฐ ์ด๋ฒ ํ์ด์์ ํ๋ฅผ ์ฌ์ฉํ ์์ ์ด๋ค.
๊ฐ ๋ ธ๋์ ๋ํด ์ง์ ์ฐจ์๋ฅผ ๊ตฌํ๋ค.
![image](https://private-user-images.githubusercontent.com/83621666/344939174-e9724cad-bbd4-4a87-aa5f-96c7c052ad37.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.rqtxMl4dzSJO2ych19xPZqXqWgKmfY1O0bPFnyAly1g)
์ง์ ์ฐจ์๊ฐ 0์ธ ๋ ธ๋๋ฅผ ๊ณจ๋ผ ํ์ ๋ฃ๋๋ค
![image](https://private-user-images.githubusercontent.com/83621666/344939863-7b800771-2763-425e-8b66-a7693242dcae.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.wat43myya-7gCbe0pfh_FGmK6OgJYofP9mfwcm_pXIs)
๋ฐฉ๊ธ ๊ณ ๋ฅธ ๋ ธ๋์์ ์ฐ๊ฒฐ๋ edge๋ฅผ ๋ชจ๋ ์ ๊ฑฐํ๋ค.
![image](https://private-user-images.githubusercontent.com/83621666/344940377-89482e91-c97e-4223-a231-01b2bfaca926.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.DgXs_jUP0z2_y9G0Vy2Hg9Mrc-LtcedAphFo1Lhxykw)
![image](https://private-user-images.githubusercontent.com/83621666/344940431-97cbd9e2-77d4-4c51-bb4e-ed9393f64b1b.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.JGwiMer-0jJTM3dxz7PJdioH8wK5wg-bo3yRO2e3iT4)
๋ชจ๋ ๋ ธ๋๊ฐ ์ฌ๋ผ์ง ๋๊น์ง 1๋ฒ์ ๋ฐ๋ณตํ๋ค.
![image](https://private-user-images.githubusercontent.com/83621666/344941051-307478e7-22c5-45ee-ae5e-f554b2354eff.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.lAthWV_h5jIhh44XhTs0fg4luLEoK1YVeuw_YQQK6DM)
![image](https://private-user-images.githubusercontent.com/83621666/344941222-a91295c9-d9cc-4813-b4cc-108fc8013480.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.uPmyBVub5O8fbg6dLZeE9p0d8ECOegzu2DrCXmME6BE)
![image](https://private-user-images.githubusercontent.com/83621666/344941273-33d4c477-4f8c-4f56-b91f-2c7fb7dd7cb3.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.ETNZzZHwJdboNicVWYNe1cUGViSIHTZ9_3CccZL4U6A)
![image](https://private-user-images.githubusercontent.com/83621666/344941447-daa28e97-b1bf-4f43-b443-3095c245997c.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.aW9iw1983_VywbnJ0oeFZ43jqp5UTyowPpqOSu_ok08)
![image](https://private-user-images.githubusercontent.com/83621666/344941704-71168cb2-a8c0-4492-9520-21b7895b15c5.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.G8kO8ezWmeIods3wIUM8vxPEfXfT_zpVcKscnt_AQl8)
![image](https://private-user-images.githubusercontent.com/83621666/344941751-38e008c4-1117-4992-9cc4-3cc971bac0c4.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.TKUxv-bwcyiSIPGAt3oE5GBtGc7JBX_Mk6Sv0DRKbIo)
![image](https://private-user-images.githubusercontent.com/83621666/344941871-40450e58-1a44-4168-9023-12f84347b50c.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.j6ekAw8D8YoHR_4etP2eFms9XI6rAVEc5s-BRWg0yGY)
![image](https://private-user-images.githubusercontent.com/83621666/344941991-38cfe7cc-859d-4ca2-bb9f-69519d60ccb6.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.2rpSr5v1nOWM4O-iHMfARKuvg9VA1GH2AptfnNXMbG8)
![image](https://private-user-images.githubusercontent.com/83621666/344942135-7a313446-c141-4b7e-8157-42e6337337fc.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.FiG5MjeA2lPVK1jbx-89M2i8fdTFLimDyVCpn0R5BfE)
์์ฑ! ์ด ๋ ํ์ ๋ค์ด์๋ ๋ ธ๋์ ์์๊ฐ ์์์ ๋ ฌ๋ ์์๊ฐ ๋๋ค!
1๏ธโฃ ์ฒซ๋ฒ์งธ ํ์ด
๊ฑด๋ฌผ์ ์ง๋ ์์๋ ์์์ ๋ ฌ์ ํ์ ๋ ๋์ค๋ ์์๋๋ก ๊ฑด์คํ๋ฉด ๋๋ค. ์๋ ์์๋ฅผ ๋ณด์
![image](https://private-user-images.githubusercontent.com/83621666/344929785-5f920f5c-1e12-4d44-9679-46f56a9cdac0.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.RpifrAmbPZHhXIhoMKlma7EyHOkQxUUccRrQ2hdF5a0)
๋น์ฐํ์ง๋ง ๋จ์ ์์์ ๋ ฌํ ๋๋ก ๊ฑด์ค ์๊ฐ์ ๋ํ๋ฉด ์๋๋ค. ๊ฐ์ด ์งํ๋ ์ ์๋ ๋ ธ๋๊ฐ ์๊ธฐ ๋๋ฌธ์ด๋ค.
![image](https://private-user-images.githubusercontent.com/83621666/344944700-a493f936-fe03-4dc4-a962-765dc1a07426.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.FQQCoXg4M-PBE0ZRqVvLDE52iyyN9JQy_Vb64-8oBL4)
๊ทธ๋์ ์์ ์ ๋ ฌ์ ์๊ณ ๋ฆฌ์ฆ์ ์ฌ์ฉํ๋, ๋งค ์๊ฐ๋ง๋ค ๊ฑด์ค ๊ฐ๋ฅ ์ฌ๋ถ๋ฅผ ํ์ธํด ํ์ ๋ฃ๊ณ , ๋์ ์งํ๋๋ ๊ฒฝ์ฐ์๋ ๋ค๋ฅธ ํ์ ์ ์ฅํด์ ๊ด๋ฆฌํ๋ค.
1~4์ ๊ฑด๋ฌผ์ด ์ฃผ์ด์ง๊ณ , ์ง๋๋ฐ ๊ฑธ๋ฆฌ๋ ์๊ฐ์ด ๊ฐ๊ฐ 5, 3, 4, 2 ์ผ ๋ ์๋์ ๊ฐ์ด ์งํ๋๋ค.
![image](https://private-user-images.githubusercontent.com/83621666/344932204-4c05c9b7-56dd-49f0-8707-e54e761e5ce1.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.swYCCtz3jP0y4ZZOd0pVIgkUaPw69Zo_oHxH6El4QxA)
์ต๋จ ์๊ฐ์ 11์ด๊ฐ ๋๊ธฐ ๋๋ฌธ์ ๋งค ์ด ํ์ธํ๋ฉด 11๋ฒ ๊ฐฑ์ ํ๊ฒ ๋๋ค. ํ์ง๋ง ๊ฑด์ค ์๊ฐ ๋ณ๋ก ๋๋๋ฉด ํฌ๊ฒ 3 ํํธ๋ก ๋๋ ์ ์๋ค.
![image](https://private-user-images.githubusercontent.com/83621666/344948351-511ee78d-b6c2-4396-9703-bbfdec709567.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.4Fg5NqMzg-InsuDRQ5yvCmcTZQiA_zaExtxBdJngd6Q)
1๋ฒ์ ๊ฑด์คํ๋ 1
5์ด, 2๋ฒ๊ณผ 3๋ฒ์ ๊ฑด์คํ๋ 610์ด, 4๋ฒ์ ๊ฑด์คํ๋ 10~11์ด ์ด๋ ๊ฒ ๋๋ ์ ์๋ค. ์ฆ ๋งค ์ด ํ์ธํ์ง ๋ง๊ณ ๋งค๋ฒ ๊ฑด์คํ ์ ์๋ ๊ฑด๋ฌผ๋ค ์ค์ ๊ฐ์ฅ ํฐ ์๊ฐ๋งํผ ์งํํ๋ฉด ์ฐ์ฐ ํ์๋ฅผ ์ค์ผ ์ ์๋ค.2๏ธโฃ ๋๋ฒ์งธ ํ์ด
์์ ๋ฐฉ์๋๋ก ํ๋ฉด ์๋ ๊ฐ์ ๊ฒฝ์ฐ์ ์ค๋ฅ๊ฐ ์๊ธด๋ค.
![image](https://private-user-images.githubusercontent.com/83621666/344949077-0f96b323-c585-4318-ba8d-de8277fdbd8f.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.roD2I6qviKbFpNoW4Km7-eD2b8Sf-7DkY0FMRvdFxgo)
์ ํด๋ ์๋์ ๊ฐ๋ค.
![image](https://private-user-images.githubusercontent.com/83621666/344949657-4d4ad832-8ca1-4a0a-8a72-9d9f68c19704.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.9YTkJQ22Fh3hq-UKv34j5G0bAoxQwlE-KijO6tOlirc)
ํ์ง๋ง ์ฒซ๋ฒ์งธ ํ์ด์ ๊ฐ์ด ๋งค๋ฒ ๊ฑด์คํ ์ ์๋ ๊ฐ์ฅ ํฐ ๊ฐ์ฅ ํฐ ๊ฑด๋ฌผ์ ์๊ฐ ๋๋ก ์งํํ๋ฉด 2๋ฒ๊ณผ 4๋ฒ์ ๋์ ๊ฑด์คํ ๋ 4๋ฒ์ ๊ฑด์ค ์๋ฃํ ๋ ๊น์ง 3๋ฒ์ ๊ฑด์คํ ์๊ฐ ์๋ค.
![image](https://private-user-images.githubusercontent.com/83621666/344950864-98e3cc34-2070-4d65-9660-38b4fe1a3459.png?jwt=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.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.QFxRWFHXDTc29z0AN9hDvZgdp2c25X8Amu7TVTRqTdk)
์ฆ ๋งค๋ฒ ๊ฑด์คํ ์ ์๋ ๊ฑด๋ฌผ๋ค ์ค์์ ๊ฐ์ฅ ๋จ์ ์๊ฐ์ด ์ ์ ๊ฑด๋ฌผ์ ๊ธฐ์ค์ผ๋ก ์ฐ์ฐ์ ์งํํด์ผํ๋ค. ํ์ด ์๊ณ ๋ฆฌ์ฆ์ ์๋์ ๊ฐ๋ค.
๋จ์ ๊ฑด์ค ์๊ฐ m
์ ๊ตฌํ๋ค.์์ค์ฝ๋
๐ ์๋กญ๊ฒ ์๊ฒ๋ ๋ด์ฉ
์คํธ ์์์ ๋ ฌ ์ฌ๋ฐ๋ค์